Calculate data weights based on st. dev. within each spw.

Statwt Summary Plot

VLASS3.2.sb45661340.eb45880388.60435.82083380787_split_split.ms

Plot of antenna-based weight vs. antenna or spectral window (before re-weight)

Plot of antenna-based weight vs. antenna or spectral window (after re-weight)

Statwt Summary

Summary of before/after-statwt antenna-based weights (Wi) for each antenna. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Antenna Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
ea01 1342 1342/1342 1342 ± 0 6.272 5.699/6.687 6.253 ± 0.6241
ea02 1342 1342/1342 1342 ± 0 6.368 5.769/6.66 6.313 ± 0.6136
ea03 1342 1342/1342 1342 ± 0 6.175 5.447/6.781 6.216 ± 0.727
ea04 1342 1342/1342 1342 ± 0 5.605 5.09/6.042 5.659 ± 0.5441
ea05 1342 1342/1342 1342 ± 0 5.883 5.427/6.665 5.992 ± 0.6327
ea06 1342 1342/1342 1342 ± 0 6.008 5.162/6.142 5.76 ± 0.6201
ea07 1342 1342/1342 1342 ± 0 6.075 5.309/6.432 5.961 ± 0.6708
ea08 1342 1342/1342 1342 ± 0 6.638 5.705/6.883 6.46 ± 0.658
ea09 1342 1342/1342 1342 ± 0 5.742 5.269/6.496 5.903 ± 0.6375
ea10 1342 1342/1342 1342 ± 0 5.555 5.135/6.006 5.577 ± 0.5201
ea11 1342 1342/1342 1342 ± 0 5.48 5.245/6.323 5.725 ± 0.649
ea12 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea13 1342 1342/1342 1342 ± 0 5.785 5.519/6.209 5.901 ± 0.4721
ea14 1342 1342/1342 1342 ± 0 6.209 5.604/6.503 6.17 ± 0.5358
ea15 1342 1342/1342 1342 ± 0 6.286 5.714/6.691 6.295 ± 0.6701
ea16 1342 1342/1342 1342 ± 0 6.291 5.846/6.804 6.383 ± 0.691
ea17 1342 1342/1342 1342 ± 0 6.171 5.755/6.951 6.333 ± 0.652
ea18 1342 1342/1342 1342 ± 0 6.373 5.821/6.946 6.341 ± 0.6048
ea19 1342 1342/1342 1342 ± 0 6.116 5.497/6.626 6.085 ± 0.5979
ea20 1342 1342/1342 1342 ± 0 5.831 5.549/6.607 6.042 ± 0.5814
ea21 1342 1342/1342 1342 ± 0 5.527 5.173/5.988 5.625 ± 0.4978
ea22 1342 1342/1342 1342 ± 0 6.348 5.672/6.73 6.233 ± 0.6317
ea23 1342 1342/1342 1342 ± 0 6.311 5.6/6.461 6.193 ± 0.6502
ea24 1342 1342/1342 1342 ± 0 6.077 5.235/6.584 5.925 ± 0.6343
ea25 1342 1342/1342 1342 ± 0 6.433 5.723/6.946 6.443 ± 0.7516
ea27 1342 1342/1342 1342 ± 0 6.085 5.422/6.567 6 ± 0.6572
ea28 1342 1342/1342 1342 ± 0 6.326 5.773/6.928 6.375 ± 0.6098
Summary of before/after-statwt antenna-based weights (Wi) for each spectral window. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Spw Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
2 1342 1342/1342 1342 ± 0.00002348 5.55 5.4/5.727 5.55 ± 0.2545
4 1342 1342/1342 1342 ± 0.00002393 5.39 5.223/5.728 5.457 ± 0.325
5 1342 1342/1342 1342 ± 0.00002348 5.446 5.195/5.678 5.437 ± 0.3006
6 1342 1342/1342 1342 ± 0.00002348 5.432 5.213/5.653 5.435 ± 0.2833
7 1342 1342/1342 1342 ± 0.00002348 5.543 5.362/5.718 5.501 ± 0.2478
8 1342 1342/1342 1342 ± 0.00002348 5.492 5.219/5.65 5.434 ± 0.27
9 1342 1342/1342 1342 ± 0.00002348 5.783 5.629/5.97 5.748 ± 0.2718
10 1342 1342/1342 1342 ± 0.00002348 6.199 6.085/6.314 6.179 ± 0.2393
11 1342 1342/1342 1342 ± 0.00002348 6.461 6.249/6.56 6.396 ± 0.2549
12 1342 1342/1342 1342 ± 0.00002348 6.6 6.295/6.783 6.541 ± 0.2939
13 1342 1342/1342 1342 ± 0.00002348 6.989 6.8/7.256 6.97 ± 0.326
14 1342 1342/1342 1342 ± 0.00002348 7.186 6.905/7.466 7.192 ± 0.3436
15 1342 1342/1342 1342 ± 0.00002348 6.932 6.653/7.217 6.902 ± 0.3765
16 1342 1342/1342 1342 ± 0.00002348 6.278 5.883/6.581 6.258 ± 0.3991
17 1342 1342/1342 1342 ± 0.00002348 6.313 6.01/6.5 6.226 ± 0.3616
vis
VLASS3.2.sb45661340.eb45880388.60435.82083380787_split_split.ms
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-25 15:02:52.537
End
2025-07-25 16:20:13.897
Duration
1:17:21.361
Note, WebLog generation is not included in the time.

CASA logs for stage 8